DEF

We are frequently asked about making a DEF Diesel Fuel Trailer. The reason it's a question is very simple: DEF must remain unconatminated in the field. DEF Handling The handling of DEF is a sensitive matter. DEF exposed to extreme temperatures can be an issue as well. DEF freezes at 12 degrees F. DEF begins to degrade at temperatures above 85 degrees F, and is extremely [...]